|
Clinical features
|
LNM
|
Univariate analysis
|
Multivariate analysis
|
|---|
| |
N0
|
N1
|
P value
|
RR (95% CI)
|
P valuea
|
RR (95% CI)
|
|---|
|
Gender
| | | | | | |
|
Male
|
48
|
61
|
0.368
|
1.466 (0.637-3.374)
|
-
| |
|
Female
|
15
|
13
| | | | |
|
Age
| | | | | | |
|
< 60
|
32
|
38
|
0.948
|
0.978 (0.499-1.915)
|
-
| |
|
≥ 60
|
31
|
36
| | | | |
|
Tumor size
| | | | | | |
|
T1, T2
|
11
|
9
|
0.384
|
1.528 (0.589-3.964)
|
-
| |
|
T3, T4
|
52
|
65
| | | | |
|
Differentiation
| | | | | | |
|
G1
|
16
|
11
|
0.295
|
1.308 (0.792-2.161)
|
-
| |
|
G2
|
31
|
43
| | | | |
|
G3
|
16
|
20
| | | | |
|
Splitting status
| | | | | | |
|
Non-splitting
|
44
|
32
|
0.004
|
2.822 (1.384-5.757)
|
0.026
|
2.357 (1.110-5.004)
|
|
Splitting
|
19
|
39
| | | | |
|
Amplification status
| | | | | | |
|
Non-amp
|
13
|
5
|
0.022
|
3.588 (1.202-10.712)
|
0.165
|
2.265 (0.715-7.175)
|
|
Amp
|
50
|
69
| | | | |
-
a The P value of each variable which is not significantly correlated with LNM in univariate analysis is indicated with “-” in the multivariate analysis. Multivariate logistic regression analysis is performed using forward procedures.
- LNM: lymph node metastasis; RR, relative risk; CI, confidence interval; amp: amplification.
